From: Wim Taymans Date: Sun, 12 Dec 2010 04:10:01 +0000 (+0100) Subject: gstpay/depay: add generic gstreamer payloader X-Git-Tag: RELEASE-0.10.27~174 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7c9b91d2d811475f26541f56ba1f0f3bf9ea6ad2;p=platform%2Fupstream%2Fgst-plugins-good.git gstpay/depay: add generic gstreamer payloader Add the beginnings of a generic GStreamer buffers payloader. --- diff --git a/gst/rtp/Makefile.am b/gst/rtp/Makefile.am index 9d43108..82ccd5f 100644 --- a/gst/rtp/Makefile.am +++ b/gst/rtp/Makefile.am @@ -13,6 +13,8 @@ libgstrtp_la_SOURCES = \ gstrtpceltpay.c \ gstrtpdvdepay.c \ gstrtpdvpay.c \ + gstrtpgstdepay.c \ + gstrtpgstpay.c \ gstrtpilbcdepay.c \ gstrtpilbcpay.c \ gstrtpmpadepay.c \ @@ -104,6 +106,8 @@ noinst_HEADERS = \ gstrtpdvpay.h \ gstrtpamrdepay.h \ gstrtpamrpay.h \ + gstrtpgstdepay.h \ + gstrtpgstpay.h \ gstrtpilbcdepay.h \ gstrtpilbcpay.h \ gstrtppcmadepay.h \ diff --git a/gst/rtp/gstrtp.c b/gst/rtp/gstrtp.c index e2fa2ed..721cee3 100644 --- a/gst/rtp/gstrtp.c +++ b/gst/rtp/gstrtp.c @@ -30,6 +30,8 @@ #include "gstrtpceltpay.h" #include "gstrtpdvdepay.h" #include "gstrtpdvpay.h" +#include "gstrtpgstdepay.h" +#include "gstrtpgstpay.h" #include "gstrtpilbcdepay.h" #include "gstrtpilbcpay.h" #include "gstrtppcmupay.h" @@ -119,6 +121,12 @@ plugin_init (GstPlugin * plugin) if (!gst_rtp_dv_pay_plugin_init (plugin)) return FALSE; + if (!gst_rtp_gst_depay_plugin_init (plugin)) + return FALSE; + + if (!gst_rtp_gst_pay_plugin_init (plugin)) + return FALSE; + if (!gst_rtp_ilbc_pay_plugin_init (plugin)) return FALSE; diff --git a/gst/rtp/gstrtpgstdepay.c b/gst/rtp/gstrtpgstdepay.c new file mode 100644 index 0000000..633971d --- /dev/null +++ b/gst/rtp/gstrtpgstdepay.c @@ -0,0 +1,302 @@ +/* GStreamer + * Copyright (C) <2010> Wim Taymans + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include +#include "gstrtpgstdepay.h" + +GST_DEBUG_CATEGORY_STATIC (rtpgstdepay_debug); +#define GST_CAT_DEFAULT (rtpgstdepay_debug) + +static GstStaticPadTemplate gst_rtp_gst_depay_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + +static GstStaticPadTemplate gst_rtp_gst_depay_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp, " + "media = (string) \"application\", " + "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", " + "clock-rate = (int) 90000, " "encoding-name = (string) \"X-GST\"") + ); + +GST_BOILERPLATE (GstRtpGSTDepay, gst_rtp_gst_depay, GstBaseRTPDepayload, + GST_TYPE_BASE_RTP_DEPAYLOAD); + +static void gst_rtp_gst_depay_finalize (GObject * object); + +static gboolean gst_rtp_gst_depay_setcaps (GstBaseRTPDepayload * depayload, + GstCaps * caps); +static GstBuffer *gst_rtp_gst_depay_process (GstBaseRTPDepayload * depayload, + GstBuffer * buf); + +static void +gst_rtp_gst_depay_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_gst_depay_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_gst_depay_sink_template)); + + gst_element_class_set_details_simple (element_class, + "GStreamer depayloader", "Codec/Depayloader/Network", + "Extracts GStreamer buffers from RTP packets", + "Wim Taymans "); +} + +static void +gst_rtp_gst_depay_class_init (GstRtpGSTDepayClass * klass) +{ + GObjectClass *gobject_class; + GstBaseRTPDepayloadClass *gstbasertpdepayload_class; + + gobject_class = (GObjectClass *) klass; + gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass; + + gobject_class->finalize = gst_rtp_gst_depay_finalize; + + gstbasertpdepayload_class->set_caps = gst_rtp_gst_depay_setcaps; + gstbasertpdepayload_class->process = gst_rtp_gst_depay_process; + + GST_DEBUG_CATEGORY_INIT (rtpgstdepay_debug, "rtpgstdepay", 0, + "Gstreamer RTP Depayloader"); +} + +static void +gst_rtp_gst_depay_init (GstRtpGSTDepay * rtpgstdepay, + GstRtpGSTDepayClass * klass) +{ + rtpgstdepay->adapter = gst_adapter_new (); +} + +static void +gst_rtp_gst_depay_finalize (GObject * object) +{ + GstRtpGSTDepay *rtpgstdepay; + + rtpgstdepay = GST_RTP_GST_DEPAY (object); + + g_object_unref (rtpgstdepay->adapter); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static gboolean +gst_rtp_gst_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps) +{ + GstRtpGSTDepay *rtpgstdepay; + GstStructure *structure; + GstCaps *outcaps; + gint clock_rate; + gboolean res; + const gchar *capsenc; + gchar *capsstr; + + rtpgstdepay = GST_RTP_GST_DEPAY (depayload); + + structure = gst_caps_get_structure (caps, 0); + + if (!gst_structure_get_int (structure, "clock-rate", &clock_rate)) + clock_rate = 90000; + depayload->clock_rate = clock_rate; + + capsenc = gst_structure_get_string (structure, "caps"); + if (capsenc) { + gsize out_len; + + capsstr = (gchar *) g_base64_decode (capsenc, &out_len); + outcaps = gst_caps_from_string (capsstr); + g_free (capsstr); + + /* we have the SDP caps as output caps */ + rtpgstdepay->current_CV = 0; + } else { + outcaps = gst_caps_new_any (); + } + res = gst_pad_set_caps (depayload->srcpad, outcaps); + gst_caps_unref (outcaps); + + return res; +} + +static GstBuffer * +gst_rtp_gst_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) +{ + GstRtpGSTDepay *rtpgstdepay; + GstBuffer *subbuf, *outbuf = NULL; + gint payload_len; + guint8 *payload; + guint16 frag_offset; + guint CV; + + rtpgstdepay = GST_RTP_GST_DEPAY (depayload); + + payload_len = gst_rtp_buffer_get_payload_len (buf); + + if (payload_len <= 8) + goto empty_packet; + + if (GST_BUFFER_IS_DISCONT (buf)) { + GST_WARNING_OBJECT (rtpgstdepay, "DISCONT, clear adapter"); + gst_adapter_clear (rtpgstdepay->adapter); + } + + payload = gst_rtp_buffer_get_payload (buf); + + /* strip off header + * + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |C| CV |D|X|Y|Z| MBZ | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Frag_offset | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + frag_offset = + (payload[4] << 24) | (payload[5] << 16) | (payload[6] << 8) | payload[7]; + + /* subbuffer skipping the 8 header bytes */ + subbuf = gst_rtp_buffer_get_payload_subbuffer (buf, 8, -1); + gst_adapter_push (rtpgstdepay->adapter, subbuf); + + if (gst_rtp_buffer_get_marker (buf)) { + guint avail; + GstCaps *outcaps; + + /* take the buffer */ + avail = gst_adapter_available (rtpgstdepay->adapter); + outbuf = gst_adapter_take_buffer (rtpgstdepay->adapter, avail); + + CV = (payload[0] >> 4) & 0x7; + + if (payload[0] & 0x80) { + guint b, csize, size, offset; + guint8 *data; + GstBuffer *subbuf; + + /* C bit, we have inline caps */ + data = GST_BUFFER_DATA (outbuf); + size = GST_BUFFER_SIZE (outbuf); + + /* start reading the length, we need this to skip to the data later */ + csize = offset = 0; + do { + if (offset >= size) + goto too_small; + b = data[offset++]; + csize = (csize << 7) | (b & 0x7f); + } while (b & 0x80); + + if (size < csize) + goto too_small; + + /* parse and store in cache */ + outcaps = gst_caps_from_string ((gchar *) & data[offset]); + if (rtpgstdepay->CV_cache[CV]) + gst_caps_unref (rtpgstdepay->CV_cache[CV]); + rtpgstdepay->CV_cache[CV] = outcaps; + + /* skip caps */ + offset += csize; + size -= csize; + + GST_DEBUG_OBJECT (rtpgstdepay, + "inline caps %u, length %u, %" GST_PTR_FORMAT, CV, csize, outcaps); + + /* create real data buffer when needed */ + if (size) + subbuf = gst_buffer_create_sub (outbuf, offset, size); + else + subbuf = NULL; + + gst_buffer_unref (outbuf); + outbuf = subbuf; + } + + /* see what caps we need */ + if (CV != rtpgstdepay->current_CV) { + /* we need to switch caps, check if we have the caps */ + if ((outcaps = rtpgstdepay->CV_cache[CV]) == NULL) + goto missing_caps; + + GST_DEBUG_OBJECT (rtpgstdepay, + "need caps switch from %u to %u, %" GST_PTR_FORMAT, + rtpgstdepay->current_CV, CV, outcaps); + + /* and set caps */ + if (gst_pad_set_caps (depayload->srcpad, outcaps)) + rtpgstdepay->current_CV = CV; + } + + if (outbuf) { + if (payload[0] & 0x8) + GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT); + if (payload[0] & 0x4) + GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MEDIA1); + if (payload[0] & 0x2) + GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MEDIA2); + if (payload[0] & 0x1) + GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MEDIA3); + } + } + return outbuf; + + /* ERRORS */ +empty_packet: + { + GST_ELEMENT_WARNING (rtpgstdepay, STREAM, DECODE, + ("Empty Payload."), (NULL)); + return NULL; + } +too_small: + { + GST_ELEMENT_WARNING (rtpgstdepay, STREAM, DECODE, + ("Buffer too small."), (NULL)); + if (outbuf) + gst_buffer_unref (outbuf); + return NULL; + } +missing_caps: + { + GST_ELEMENT_WARNING (rtpgstdepay, STREAM, DECODE, + ("Missing caps %u.", CV), (NULL)); + if (outbuf) + gst_buffer_unref (outbuf); + return NULL; + } +} + +gboolean +gst_rtp_gst_depay_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpgstdepay", + GST_RANK_MARGINAL, GST_TYPE_RTP_GST_DEPAY); +} diff --git a/gst/rtp/gstrtpgstdepay.h b/gst/rtp/gstrtpgstdepay.h new file mode 100644 index 0000000..7a50856 --- /dev/null +++ b/gst/rtp/gstrtpgstdepay.h @@ -0,0 +1,63 @@ +/* GStreamer + * Copyright (C) <2010> Wim Taymans + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_RTP_GST_DEPAY_H__ +#define __GST_RTP_GST_DEPAY_H__ + +#include +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_GST_DEPAY \ + (gst_rtp_gst_depay_get_type()) +#define GST_RTP_GST_DEPAY(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GST_DEPAY,GstRtpGSTDepay)) +#define GST_RTP_GST_DEPAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GST_DEPAY,GstRtpGSTDepayClass)) +#define GST_IS_RTP_GST_DEPAY(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GST_DEPAY)) +#define GST_IS_RTP_GST_DEPAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GST_DEPAY)) + +typedef struct _GstRtpGSTDepay GstRtpGSTDepay; +typedef struct _GstRtpGSTDepayClass GstRtpGSTDepayClass; + +struct _GstRtpGSTDepay +{ + GstBaseRTPDepayload depayload; + + GstAdapter *adapter; + guint current_CV; + GstCaps *CV_cache[8]; +}; + +struct _GstRtpGSTDepayClass +{ + GstBaseRTPDepayloadClass parent_class; +}; + +GType gst_rtp_gst_depay_get_type (void); + +gboolean gst_rtp_gst_depay_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_GST_DEPAY_H__ */ diff --git a/gst/rtp/gstrtpgstpay.c b/gst/rtp/gstrtpgstpay.c new file mode 100644 index 0000000..5fa315f --- /dev/null +++ b/gst/rtp/gstrtpgstpay.c @@ -0,0 +1,239 @@ +/* GStreamer + * Copyright (C) <2010> Wim Taymans + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include + +#include "gstrtpgstpay.h" + +/* + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |C| CV |D|X|Y|Z| MBZ | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Frag_offset | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * C: caps inlined flag + * When C set, first part of payload contains caps definition. Caps definition + * starts with variable length length prefix and then a string of that length. + * the length is encoded in big endian 7 bit chunks, the top 1 bit of a byte + * is the continuation marker and the 7 next bits the data. A continuation + * marker of 1 means that the next byte contains more data. + * + * CV: caps version, 0 = caps from SDP, 1 - 7 inlined caps + * D: delta unit buffer + * X: media 1 flag + * Y: media 2 flag + * Z: media 3 flag + * + * + */ + +static GstStaticPadTemplate gst_rtp_gst_pay_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + +static GstStaticPadTemplate gst_rtp_gst_pay_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp, " + "media = (string) \"application\", " + "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", " + "clock-rate = (int) 90000, " "encoding-name = (string) \"X-GST\"") + ); + +static void gst_rtp_gst_pay_finalize (GObject * object); + +static gboolean gst_rtp_gst_pay_setcaps (GstBaseRTPPayload * payload, + GstCaps * caps); +static GstFlowReturn gst_rtp_gst_pay_handle_buffer (GstBaseRTPPayload * payload, + GstBuffer * buffer); + +GST_BOILERPLATE (GstRtpGSTPay, gst_rtp_gst_pay, GstBaseRTPPayload, + GST_TYPE_BASE_RTP_PAYLOAD) + + static void gst_rtp_gst_pay_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_gst_pay_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_gst_pay_sink_template)); + + gst_element_class_set_details_simple (element_class, + "RTP GStreamer payloader", "Codec/Payloader/Network", + "Payload GStreamer buffers as RTP packets", + "Wim Taymans "); +} + +static void +gst_rtp_gst_pay_class_init (GstRtpGSTPayClass * klass) +{ + GObjectClass *gobject_class; + GstBaseRTPPayloadClass *gstbasertppayload_class; + + gobject_class = (GObjectClass *) klass; + gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass; + + gobject_class->finalize = gst_rtp_gst_pay_finalize; + + gstbasertppayload_class->set_caps = gst_rtp_gst_pay_setcaps; + gstbasertppayload_class->handle_buffer = gst_rtp_gst_pay_handle_buffer; +} + +static void +gst_rtp_gst_pay_init (GstRtpGSTPay * rtpgstpay, GstRtpGSTPayClass * klass) +{ +} + +static void +gst_rtp_gst_pay_finalize (GObject * object) +{ + GstRtpGSTPay *rtpgstpay; + + rtpgstpay = GST_RTP_GST_PAY (object); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static gboolean +gst_rtp_gst_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps) +{ + gboolean res; + gchar *capsstr, *capsenc; + + capsstr = gst_caps_to_string (caps); + capsenc = g_base64_encode ((guchar *) capsstr, strlen (capsstr)); + g_free (capsstr); + + gst_basertppayload_set_options (payload, "application", TRUE, "X-GST", 90000); + res = + gst_basertppayload_set_outcaps (payload, "caps", G_TYPE_STRING, capsenc, + NULL); + g_free (capsenc); + + return res; +} + +static GstFlowReturn +gst_rtp_gst_pay_handle_buffer (GstBaseRTPPayload * basepayload, + GstBuffer * buffer) +{ + GstRtpGSTPay *rtpgstpay; + guint8 *data; + guint size; + GstBuffer *outbuf; + GstFlowReturn ret; + GstClockTime timestamp; + guint16 frag_offset; + guint flags; + + rtpgstpay = GST_RTP_GST_PAY (basepayload); + + size = GST_BUFFER_SIZE (buffer); + data = GST_BUFFER_DATA (buffer); + timestamp = GST_BUFFER_TIMESTAMP (buffer); + + ret = GST_FLOW_OK; + + /* caps always from SDP for now */ + flags = 0; + if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT)) + flags |= (1 << 3); + if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_MEDIA1)) + flags |= (1 << 2); + if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_MEDIA2)) + flags |= (1 << 1); + if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_MEDIA3)) + flags |= (1 << 0); + + /* + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |C| CV |D|X|Y|Z| MBZ | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Frag_offset | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + frag_offset = 0; + + while (size > 0) { + guint towrite; + guint8 *payload; + guint payload_len; + guint packet_len; + + /* this will be the total lenght of the packet */ + packet_len = gst_rtp_buffer_calc_packet_len (8 + size, 0, 0); + + /* fill one MTU or all available bytes */ + towrite = MIN (packet_len, GST_BASE_RTP_PAYLOAD_MTU (rtpgstpay)); + + /* this is the payload length */ + payload_len = gst_rtp_buffer_calc_payload_len (towrite, 0, 0); + + /* create buffer to hold the payload */ + outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0); + payload = gst_rtp_buffer_get_payload (outbuf); + + payload[0] = flags; + payload[1] = payload[2] = payload[3] = 0; + payload[4] = frag_offset >> 24; + payload[5] = frag_offset >> 16; + payload[6] = frag_offset >> 8; + payload[7] = frag_offset & 0xff; + + payload += 8; + payload_len -= 8; + + memcpy (payload, data, payload_len); + + data += payload_len; + size -= payload_len; + frag_offset += payload_len; + + if (size == 0) + gst_rtp_buffer_set_marker (outbuf, TRUE); + + GST_BUFFER_TIMESTAMP (outbuf) = timestamp; + + ret = gst_basertppayload_push (basepayload, outbuf); + } + + return ret; +} + +gboolean +gst_rtp_gst_pay_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpgstpay", + GST_RANK_NONE, GST_TYPE_RTP_GST_PAY); +} diff --git a/gst/rtp/gstrtpgstpay.h b/gst/rtp/gstrtpgstpay.h new file mode 100644 index 0000000..c7a7c02 --- /dev/null +++ b/gst/rtp/gstrtpgstpay.h @@ -0,0 +1,58 @@ +/* GStreamer + * Copyright (C) <2010> Wim Taymans + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_RTP_GST_PAY_H__ +#define __GST_RTP_GST_PAY_H__ + +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_GST_PAY \ + (gst_rtp_gst_pay_get_type()) +#define GST_RTP_GST_PAY(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GST_PAY,GstRtpGSTPay)) +#define GST_RTP_GST_PAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GST_PAY,GstRtpGSTPayClass)) +#define GST_IS_RTP_GST_PAY(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GST_PAY)) +#define GST_IS_RTP_GST_PAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GST_PAY)) + +typedef struct _GstRtpGSTPay GstRtpGSTPay; +typedef struct _GstRtpGSTPayClass GstRtpGSTPayClass; + +struct _GstRtpGSTPay +{ + GstBaseRTPPayload payload; +}; + +struct _GstRtpGSTPayClass +{ + GstBaseRTPPayloadClass parent_class; +}; + +GType gst_rtp_gst_pay_get_type (void); + +gboolean gst_rtp_gst_pay_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_GST_PAY_H__ */